Review
Kauffman, G.B.
(1991)
Review of "The pencil: A history of design and circumstance".
Sci. Teach..
(/isis/citation/CBB000139440/)
Article
Brush, Stephen G.
(1987)
Cooling spheres and accumulating lead: The history of attempts to date the earth's formation.
Sci. Teach.
(pp. 29-34).
(/isis/citation/CBB000055689/)
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